Silverberg, J. K., P. J. Pekins, and R. A. Robertson. “MOOSE RESPONSES TO WILDLIFE VIEWING AND TRAFFIC STIMULI”. Alces: A Journal Devoted to the Biology and Management of Moose, vol. 39, Jan. 2003, pp. 153-60, https://www.alcesjournal.org/index.php/alces/article/view/473.